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Organization and Summary of Significant Accounting Policies - Inventories (Detail) - USD ($)
$ in Millions
Jun. 30, 2018
Jun. 24, 2017
Inventory Disclosure [Abstract]    
Raw materials and work-in-progress $ 105.0 $ 94.7
Finished goods 26.2 36.7
Total Inventories $ 131.2 $ 131.4